4444729652 has 24 divisors (see below), whose sum is σ = 8665937280. Its totient is φ = 1977344960.

The previous prime is 4444729651. The next prime is 4444729661. The reversal of 4444729652 is 2569274444.

It is a happy number.

It is a super-2 number, since 2×4444729652² = 39511243358736082208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 4444729597 and 4444729606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444729651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072577 + ... + 1076712.

It is an arithmetic number, because the mean of its divisors is an integer number (361080720).

Almost surely, 2^4444729652 is an apocalyptic number.

It is an amenable number.

4444729652 is a deficient number, since it is larger than the sum of its proper divisors (4221207628).

4444729652 is a wasteful number, since it uses less digits than its factorization.

4444729652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149351 (or 2149349 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 47.

The square root of 4444729652 is about 66668.8056890177. The cubic root of 4444729652 is about 1644.1765512506.

The spelling of 4444729652 in words is "four billion, four hundred forty-four million, seven hundred twenty-nine thousand, six hundred fifty-two".